https://ruizhengsound.en.made-in-china.com/product/eBfxLmHGIdpa/China-21inch-Audio-Neodymium-Deep-PRO-Big-Powered-DJ-Subwoofer-Speaker.html
MODEL S18WF15208 | ||||
Specifications | Thiele Small Parameters | |||
TYPE | Subwoofer | Fs | 36 Hz | |
Nominal Diameter | 460 mm/18 in | Re | 5.7 ohm | |
Rated impedance | 8 ohm | Qms | 7.9 | |
Nominal (AES) | 2000 W | Qes | 0.30 | |
Continuous Program | 4000 W | Qts | 0.29 | |
Sensitivity(1w/1m) | 96dB | Vas | 134L | |
Frequency Range | 36Hz-1200Hz | Sd | 0.125 m2 | |
Voice Coil Diameter | 152 mm/6 in | Mms | 313.3g | |
Voice Coil Material | Copper out/in | BL | 37.2 T.M | |
Mounting lnformation | Shipping lnformation | |||
Overall Diameter | φ464 mm/φ18.3 in | Net Weight ( 1 unit) | 31.2 kg | |
Bolt Circle Diameter | φ445 mm/φ17.5 in | Shipping Weight ( 1 unit) | 36 kg | |
Mount Baffle Cut-out | φ422 mm/φ16.6 in | Package Size ( 1 unit) | 53x53x29cm | |
Depth | 215 mm/8.5 in | |||
Bolt Hole Diameter | 8-φ7mm/8-φ0.28in |


Founded in 2011, ruizheng audio is designing and distributing amplifier, speakers, supplying OEM/ODM components to many of the professional audio brands in the market today.


